II Chronicles 36:15 Midrash

וַיִּשְׁלַ֡ח יְהוָה֩ אֱלֹהֵ֨י אֲבוֹתֵיהֶ֧ם עֲלֵיהֶ֛ם בְּיַ֥ד מַלְאָכָ֖יו הַשְׁכֵּ֣ם וְשָׁל֑וֹחַ כִּֽי־חָמַ֥ל עַל־עַמּ֖וֹ וְעַל־מְעוֹנֽוֹ׃

And the LORD, the God of their fathers, sent to them by His messengers, sending betimes and often; because He had compassion on His people, and on His dwelling-place;

Read midrashic interpretation of II Chronicles 36:15: and classical rabbinic exegesis.